print("running extra...") import gzip import shutil FILES=['web/index.html'] def compressFile(inFile): outfile=inFile+".gz" with open(inFile, 'rb') as f_in: with gzip.open(outfile, 'wb') as f_out: shutil.copyfileobj(f_in, f_out) for f in FILES: print("compressing %s"%f) compressFile(f)